Sancho was the son of Fernán II González de Castilla and Sancha Sánchez de Pamplona. The date and place of his birth have not been found.
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Fernán II González de Castilla |
Gonzalve Gutinez de Lara |
Fernando I Núñez de Castrogériz |
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Gutina Díaz de Castilla |
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Mumiadomna de Castrogeriz |
Nuño Moniz |
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NN Ruíz de Castilla |
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Sancha Sánchez de Pamplona |
Sancho I Garcés de Pamplona |
García I Garcés Jiménez |
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Daldide de Pailhares |
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Toda Aznárez de Navarra |
Aznar Sanchez de Larraun-Pampelune |
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Onneca Fortúnez de Pamplona |
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